mPDF up to 7.1.6 Web Application getImage server-side request forgery ⚔ [Disputed]

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in mPDF up to 7.1.6. Impacted is the function getImage of the component Web Application. The manipulation leads to server-side request forgery. This vulnerability is uniquely identified as CVE-2018-19047. The attack is possible to be carried out remotely. No exploit exists. The existence of this vulnerability is still disputed at present.

Detailsinfo

A vulnerability was found in mPDF up to 7.1.6 and classified as critical. This issue affects the function getImage of the component Web Application. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

** DISPUTED ** mPDF through 7.1.6, if deployed as a web application that accepts arbitrary HTML, allows SSRF, as demonstrated by a '<img src="http://192.168' substring that triggers a call to getImage in Image/ImageProcessor.php. NOTE: the software maintainer disputes this, stating "If you allow users to pass HTML without sanitising it, you're asking for trouble."

The weakness was disclosed 11/07/2018 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-19047 since 11/06/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.4
VulDB Meta Temp Score: 9.4

VulDB Base Score: 8.3
VulDB Temp Score: 8.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔍

CNA Base Score: 10.0
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2018 🔍
11/07/2018 +1 days 🔍
11/07/2018 +0 days 🔍
11/08/2018 +1 days 🔍
08/05/2024 +2097 days 🔍

Sourcesinfo

Product: github.com

Advisory: 867
Status: Not defined
Disputed: 🔍

CVE: CVE-2018-19047 (🔍)
GCVE (CVE): GCVE-0-2018-19047
GCVE (VulDB): GCVE-100-126527

Entryinfo

Created: 11/08/2018 07:53
Updated: 08/05/2024 18:03
Changes: 11/08/2018 07:53 (37), 04/10/2020 16:33 (18), 06/05/2023 08:20 (3), 06/12/2024 04:10 (26), 08/05/2024 18:03 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!